Mountaineer
Coal power plant in Mason County, West Virginia. 1,300 MW of nameplate capacity across 1 generator, operated by Appalachian Power Co.
Also known as Mountaineer Plant · EIA plant 6264
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Key facts
- Capacity
- 1,300 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 1980First generator online
- Operator
- Appalachian Power CoEIA operator ID 733
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- Mason County, WV38.9794, −81.9344
- EIA plant ID
- 6264EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mountaineer produces
Free · EIA-923Net generation, 2025
6.87 TWh
6,870,571 MWh, final
Capacity factor, 2025
60.3%
2024: 41.4%
January to July 2026
4.43 TWh
Provisional
Range, 2015 to 2025
4.7–8.3
TWh a year. Low 2024, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 7,344,422 | Not reported | 12 of 12 |
| 2001 | 6,113,576 | Not reported | 12 of 12 |
| 2002 | 8,985,024 | Not reported | 12 of 12 |
| 2003 | 9,738,217 | Not reported | 12 of 12 |
| 2004 | 8,267,917 | Not reported | 12 of 12 |
| 2005 | 10,524,085 | Not reported | 12 of 12 |
| 2006 | 7,173,682 | Not reported | 12 of 12 |
| 2007 | 9,375,421 | Not reported | 12 of 12 |
| 2008 | 9,818,558 | Not reported | 12 of 12 |
| 2009 | 8,978,247 | Not reported | 12 of 12 |
| 2010 | 8,073,858 | 70.9% | 12 of 12 |
| 2011 | 9,388,374 | 82.4% | 12 of 12 |
| 2012 | 8,292,574 | 72.6% | 12 of 12 |
| 2013 | 5,471,425 | 48.0% | 12 of 12 |
| 2014 | 8,241,231 | 72.4% | 12 of 12 |
| 2015 | 7,463,219 | 65.5% | 12 of 12 |
| 2016 | 7,809,399 | 68.4% | 12 of 12 |
| 2017 | 7,147,242 | 62.8% | 12 of 12 |
| 2018 | 5,710,017 | 50.1% | 12 of 12 |
| 2019 | 8,255,230 | 72.5% | 12 of 12 |
| 2020 | 946,614 | 25.1% | 4 of 12 |
| 2021 | 269,509 | 14.2% | 2 of 12 |
| 2022 | 5,216,833 | 45.8% | 12 of 12 |
| 2023 | 4,968,702 | 43.6% | 12 of 12 |
| 2024 | 4,725,200 | 41.4% | 12 of 12 |
| 2025 | 6,870,571 | 60.3% | 12 of 12 |
| 2026 (provisional, partial year) | 4,431,526 | 67.0% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDCO₂, 2025
7.23M
US short tons. 2024: 5.06M
SO₂, 2025
3,401
US short tons
NOx, 2025
6,579
US short tons
CO₂ per MWh, calculated
1.05 t
About 2,106 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (1), matched to EIA plant 6264 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
1,177
million gallons
Consumption, 2024
1,037
million gallons
Source
Ohio River
Surface, Fresh. Natural-draft tower
Watershed stress
Very low/none · 0.132
USGS SUI, HUC12 Broad Run-Ohio River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Steam Coal | 1,300.0 | September 1980 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Appalachian Power Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Mountaineer
More plants operated by Appalachian Power Co
Questions about Mountaineer
How much power does Mountaineer produce?
Mountaineer reported 6,870,571 MWh (6.87 TWh) of net generation in 2025, a 60.3% capacity factor on 1,300 MW of nameplate capacity. From January to July 2026 it reported 4.43 TWh, which is provisional.
Where is Mountaineer?
Mountaineer is in Mason County, West Virginia, at 38.9794, −81.9344. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Mountaineer?
EIA-860M for August 2026 lists Appalachian Power Co as the operator (EIA operator ID 733). The operator is not always the owner.
When did Mountaineer start operating?
Its first generator began operating in September 1980, according to EIA-860M.
Does InfraMap have power prices for Mountaineer?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to Mountaineer, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page